APA aipamena

Nicholson, J. R. N. (1997). Discover excel 97.

Chicago Style aipamena

Nicholson, John R; Nicholson. Discover Excel 97. Comdex Computer Publuishing Pvt Ltd, New DElhi, 1997.

MLA aipamena

Nicholson, John R; Nicholson. Discover Excel 97. 1997.